Source : Webster's Revised Unabridged Dictionary (1913)

Stour \Stour\, n. [OF. estour, estor, tumult, combat, of
   Teutonic origin. See {Storm}.]
   A battle or tumult; encounter; combat; disturbance; passion.
   [Obs.] --Fairfax. ``That woeful stowre.'' --Spenser.

         She that helmed was in starke stours [fierce
         conflicts].                              --Chaucer.

Stour \Stour\, a. [See {Stoor}, a.]
   Tall; strong; stern. [Obs. or Prov. Eng. & Scot.]